1) I have an item in my library that has no tags.
2) I know that there are online resources that have tags for this item.

Is there a way to ask Zotero to go retrieve those available tags?

I can somewhat do this by importing a duplicate record, and merging the old and new record. I'm more interested in a batch process similar to the way that Zotero has a "find available PDF" function that can be applied to multiple records.

In this case the tags are subject heading terms associated with a PUBMED record.

Thanks